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M1.7 Depth: 8.4 km

M1.7 Earthquake near Grady County, Oklahoma (United States)

UTC time: 2026-07-18 07:29:02 UTC Local time: —

About this earthquake

A magnitude M1.7 earthquake was recorded near Grady County, Oklahoma (United States) on July 18, 2026 at 07:29 UTC. With a focal depth of about 8 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 190 earthquakes were recorded in the past 24 hours, the strongest reaching M4.7.

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Depth profile

Depth profile Depth: 8.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.4 km
Shallow
8.4 km
8.4 km — shallower than the regional average (15.6 km)
Regional average: 15.6 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

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